Locations Services By Lost, Stolen, Technology Find My iPhone & Find My Device are crucial tools to recovering a phone when it goes missing. There is a catch though. These services have to be on. Apple: Find My iPhone Set UpOpen SettingsClick on your name at the topSelect iCloudSelect Find My iPhoneClick it on (if it isn’t already)Remember your Apple ID & Passcode (you’ll need that if it goes missing) Android: Find My Device Set UpOpen your device’s Settings app .Tap Security & location. (If you don’t see “Security & location,” tap Google Security.)Tap Find My Device.Make sure Find My Device is turned on.